Finding the Fourth Proportional to 4,457,121.64, 6,150,764.58 and 2,420,009.32
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Solution
The fourth proportional to 4,457,121.64, 6,150,764.58 and 2,420,009.32 is: 3,339,578.50
Step by Step Solution
- Step 1: Write the proportion equation
4,457,121.64 : 6,150,764.58 = 2,420,009.32 : x - Step 2: Convert to fraction form
4,457,121.64/6,150,764.58 = 2,420,009.32/x - Step 3: Cross multiply
4,457,121.64x = 6,150,764.58 × 2,420,009.32 - Step 4: Simplify right side
4,457,121.64x = 14,884,907,608,725.88 - Step 5: Solve for x
x = 14,884,907,608,725.88/4,457,121.64 - Step 6: Final answer
x = 3,339,578.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.